How the Islamic lunar calendar works, why the Hijri year is 11 days shorter than the solar year, and the principles of crescent moon sighting (Hilal).

A complete guide to the Sunnah voluntary daytime prayers: Ishraq, Salat ad-Duha (Chasht), and Awwabin, their rewards, and calculation.

How to rectify unintentional errors, omissions, or doubts during prayer according to authentic Islamic jurisprudence.

A complete guide to the blessed day of Jummah: required etiquettes, reading Surah Al-Kahf, listening to the Khutbah, and seeking the Hour of Acceptance.

A clear, step-by-step manual on calculating Zakat on contemporary assets including gold, jewelry, savings, investment shares, and business inventories.

How Muslim astronomers and modern geodesy calculate the precise orientation towards the Holy Kaaba using spherical trigonometry and geographic coordinates.

A clear guide to the three prohibited times when prayer is strictly forbidden, the two times when voluntary prayers are disliked, and their exceptions.

Learn the precise mathematical and Fiqh calculation for determining the last third of the night, its immense spiritual virtues, and authentic Hadith narrations.

A comprehensive exploration of the classical Fiqh viewpoints regarding the start of Asr prayer, the evidence from the Hadith of Jibreel, and practical guidelines for Muslims.

An in-depth guide to how Islamic prayer times are determined using solar coordinates, twilight depression angles, and why calculation conventions differ across regions.